[PATCH 2/2] drm/mediatek: Add support for AR30 and BA30 overlays

[Justin Green]

Hi Chun-Kuang,

> Does all SoC have this register? If no, you should write this register
> for the SoC have this register.

I can't confirm this from the documentation that I have, I can only
confirm this register exists on MT8195 and MT8186. I will send out
another patch.

Thanks,
Justin